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MMSZ4694

Public Made by Adom

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Changjing Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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MMSZ4694

Changjing · Zener Diodes · SOD-123

MMSZ4694 from Changjing, in a SOD-123. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 K passive Cathode, the end marked with the band and labeled "-"; it is the positive side in zener reverse-voltage regulation (VZ at IZT), with a 350 mW power dissipation limit.
2 A passive Anode, the end opposite the band and labeled "+"; forward voltage VF is 0.9 V at IF = 10 mA.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOD-123
Category Diodes
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Power Dissipation PD 350 mW Device mounted on ceramic PCB; 5.0mm×7.0mm with pad areas 35 mm2 1
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ 1
Thermal Resistance, Junction to Ambient Air RθJA 357 ℃/W Device mounted on ceramic PCB; 5.0mm×7.0mm with pad areas 35 mm2 1
Forward voltage VF 0.9 V @IF =10mA 1

CAD (KiCad official)

  • Symbol: MMSZ4694
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: mmsz4694-etched.step / mmsz4694-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmsz4694.step / mmsz4694.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Changjing datasheet (4 pp, sha256 70f51aea6c7fa28d, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF